Question: What is {formed} which {represents} {Portrait of a Boy with a Golf Club and a Dog} ?
Paraphrase: Portrait of a Boy with a Golf Club and a Dog is represented by what form?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q24521998 wdt:P180 ?X . ?X wdt:P186 ?answer}
Answer: iron, metal, lumber, woven fabric